feat: xinference rerank model support (#1615)

api/tests/integration_tests/.env.example

@@ -50,4 +50,7 @@ XINFERENCE_MODEL_UID=
 OPENLLM_SERVER_URL=
 
 # LocalAI Credentials
-LOCALAI_SERVER_URL=
+LOCALAI_SERVER_URL=
+
+# Cohere Credentials
+COHERE_API_KEY=

api/tests/integration_tests/models/reranking/test_cohere_reranking.py

@@ -0,0 +1,61 @@
+import json
+import os
+from unittest.mock import patch
+
+from langchain.schema import Document
+
+from core.model_providers.models.reranking.cohere_reranking import CohereReranking
+from core.model_providers.providers.cohere_provider import CohereProvider
+from models.provider import Provider, ProviderType
+
+
+def get_mock_provider(valid_api_key):
+    return Provider(
+        id='provider_id',
+        tenant_id='tenant_id',
+        provider_name='cohere',
+        provider_type=ProviderType.CUSTOM.value,
+        encrypted_config=json.dumps({'api_key': valid_api_key}),
+        is_valid=True,
+    )
+
+
+def get_mock_model():
+    valid_api_key = os.environ['COHERE_API_KEY']
+    provider = CohereProvider(provider=get_mock_provider(valid_api_key))
+    return CohereReranking(
+        model_provider=provider,
+        name='rerank-english-v2.0'
+    )
+
+
+def decrypt_side_effect(tenant_id, encrypted_api_key):
+    return encrypted_api_key
+
+
+@patch('core.helper.encrypter.decrypt_token', side_effect=decrypt_side_effect)
+def test_run(mock_decrypt):
+    model = get_mock_model()
+
+    docs = []
+    docs.append(Document(
+        page_content='bye',
+        metadata={
+            "doc_id": 'a',
+            "doc_hash": 'doc_hash',
+            "document_id": 'document_id',
+            "dataset_id": 'dataset_id',
+        }
+    ))
+    docs.append(Document(
+        page_content='hello',
+        metadata={
+            "doc_id": 'b',
+            "doc_hash": 'doc_hash',
+            "document_id": 'document_id',
+            "dataset_id": 'dataset_id',
+        }
+    ))
+    rst = model.rerank('hello', docs, None, 2)
+
+    assert rst[0].page_content == 'hello'

api/tests/integration_tests/models/reranking/test_xinference_reranking.py

@@ -0,0 +1,78 @@
+import json
+import os
+from unittest.mock import patch, MagicMock
+
+from langchain.schema import Document
+
+from core.model_providers.models.entity.model_params import ModelType
+from core.model_providers.models.reranking.xinference_reranking import XinferenceReranking
+from core.model_providers.providers.xinference_provider import XinferenceProvider
+from models.provider import Provider, ProviderType, ProviderModel
+
+
+def get_mock_provider(valid_server_url, valid_model_uid):
+    return Provider(
+        id='provider_id',
+        tenant_id='tenant_id',
+        provider_name='xinference',
+        provider_type=ProviderType.CUSTOM.value,
+        encrypted_config=json.dumps({'server_url': valid_server_url, 'model_uid': valid_model_uid}),
+        is_valid=True,
+    )
+
+
+def get_mock_model(mocker):
+    valid_server_url = os.environ['XINFERENCE_SERVER_URL']
+    valid_model_uid = os.environ['XINFERENCE_MODEL_UID']
+    model_name = 'bge-reranker-base'
+    provider = XinferenceProvider(provider=get_mock_provider(valid_server_url, valid_model_uid))
+
+    mock_query = MagicMock()
+    mock_query.filter.return_value.first.return_value = ProviderModel(
+        provider_name='xinference',
+        model_name=model_name,
+        model_type=ModelType.RERANKING.value,
+        encrypted_config=json.dumps({
+            'server_url': valid_server_url,
+            'model_uid': valid_model_uid
+        }),
+        is_valid=True,
+    )
+    mocker.patch('extensions.ext_database.db.session.query', return_value=mock_query)
+
+    return XinferenceReranking(
+        model_provider=provider,
+        name=model_name
+    )
+
+
+def decrypt_side_effect(tenant_id, encrypted_api_key):
+    return encrypted_api_key
+
+
+@patch('core.helper.encrypter.decrypt_token', side_effect=decrypt_side_effect)
+def test_run(mock_decrypt, mocker):
+    model = get_mock_model(mocker)
+
+    docs = []
+    docs.append(Document(
+        page_content='bye',
+        metadata={
+            "doc_id": 'a',
+            "doc_hash": 'doc_hash',
+            "document_id": 'document_id',
+            "dataset_id": 'dataset_id',
+        }
+    ))
+    docs.append(Document(
+        page_content='hello',
+        metadata={
+            "doc_id": 'b',
+            "doc_hash": 'doc_hash',
+            "document_id": 'document_id',
+            "dataset_id": 'dataset_id',
+        }
+    ))
+    rst = model.rerank('hello', docs, None, 2)
+
+    assert rst[0].page_content == 'hello'